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Finding the Fourth Proportional to 112,597.95, 168,891.03 and 28,358.07

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Solution

The fourth proportional to 112,597.95, 168,891.03 and 28,358.07 is: 42,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,597.95 : 168,891.03 = 28,358.07 : x
  2. Step 2: Convert to fraction form
    112,597.95/168,891.03 = 28,358.07/x
  3. Step 3: Cross multiply
    112,597.95x = 168,891.03 × 28,358.07
  4. Step 4: Simplify right side
    112,597.95x = 4,789,423,651.11
  5. Step 5: Solve for x
    x = 4,789,423,651.11/112,597.95
  6. Step 6: Final answer
    x = 42,535.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.